Towards a formal model of protection functions for power distribution networks

Michael Masselot, Sandeep Patil, Gulnara Zhabelova, Valeriy Vyatkin

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

5 Citations (Scopus)

Abstract

The protection system is a crucial part of the power grid. It protects people, equipment, and property. Reliability of such mission critical systems is of an extreme importance. Protection systems have strict requirements to reliability including dependability, security and timeliness. Although it undertakes rigorous testing and commissioning, it fails in some circumstances causing faults in the network, resulting in loss of power. It is hard to catch these hidden and undetectable errors in the design and installation. Since protection function is essentially a piece of code, formal methods can be used for rigorous testing of the software and provide definitive proof of the system properties. This paper proposes a formal model (to use in formal verification techniques) for protection systems. The paper develops closed loop model of the electrical network with its protection system. The model is developed in IEC 61499 language for the further generation of its formal model in SMV language. The model is validated via simulation and comparison with a comprehensive model of the electrical network in Matlab Simulink. In future work, the generated SMV model will be used to formally verify reliability requirements of the protection system.

Original languageEnglish
Title of host publicationProceedings of the 42nd Annual Conference of the Industrial Electronics Society, IECON 2016
Pages5302-5309
Number of pages8
ISBN (Electronic)9781509034741
DOIs
Publication statusPublished - 21 Dec 2016
MoE publication typeA4 Article in a conference publication
EventAnnual Conference of the IEEE Industrial Electronics Society - Florence, Italy
Duration: 24 Oct 201627 Oct 2016
Conference number: 42

Publication series

NameProceedings of the Annual Conference of the IEEE Industrial Electronics Society
PublisherIEEE
ISSN (Print)1553-572X

Conference

ConferenceAnnual Conference of the IEEE Industrial Electronics Society
Abbreviated titleIECON
CountryItaly
CityFlorence
Period24/10/201627/10/2016

Keywords

  • Closed loop modeling and verification
  • Formal model
  • Overcurrent protection
  • Power system
  • Proteciton system
  • Verification

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